TBC1D23 — 151 ClinVar variants
All ClinVar germline TBC1D23 variants across every classification, each assembled from ClinVar, gnomAD, AlphaMissense, conservation and more. 90 flagged for review →
9 Pathogenic · 2 Pathogenic/Likely pathogenic · 5 Likely pathogenic · 1 Conflicting · 17 Benign · 3 Benign/Likely benign · 16 Likely benign · 98 Uncertain significance
Full TBC1D23 gene report on Sugi Atlas → Gene function, pathways, protein structure, constraint & interactions⚑ Evidence disagreements 90
Variants where the independent computational evidence doesn't line up with the clinical picture — a QC signal for a second look, not a reclassification.
Predictors lean, ClinVar uncertain 76
ClinVar classifies these uncertain (VUS), but the independent predictors unanimously lean one way — a triage signal for review, not a reclassification.
-
TBC1D23 p.Asp443Asn
Uncertain significance
Multiple submitters
pontocerebellar hypoplasia, type 11
-
TBC1D23 p.Gly335Val
Uncertain significance
Multiple submitters
pontocerebellar hypoplasia, type 11
-
TBC1D23 p.Ala100Thr
Uncertain significance
Single submitter
Inborn genetic diseases
-
TBC1D23 p.Ala241Pro
Uncertain significance
Single submitter
Inborn genetic diseases
-
TBC1D23 p.Ala328Val
Uncertain significance
Single submitter
Inborn genetic diseases
-
TBC1D23 p.Ala57Val
Uncertain significance
Single submitter
pontocerebellar hypoplasia, type 11
-
TBC1D23 p.Ala670Ser
Uncertain significance
Single submitter
Inborn genetic diseases
-
TBC1D23 p.Arg142Cys
Uncertain significance
Single submitter
Inborn genetic diseases
-
TBC1D23 p.Arg142His
Uncertain significance
Single submitter
Inborn genetic diseases
-
TBC1D23 p.Arg166Lys
Uncertain significance
Single submitter
Inborn genetic diseases
- TBC1D23 p.Arg344His Uncertain significance Single submitter
-
TBC1D23 p.Arg481Gly
Uncertain significance
Single submitter
Inborn genetic diseases
-
TBC1D23 p.Arg502Lys
Uncertain significance
Single submitter
pontocerebellar hypoplasia, type 11
-
TBC1D23 p.Asn154His
Uncertain significance
Single submitter
Inborn genetic diseases
-
TBC1D23 p.Asn500Ser
Uncertain significance
Single submitter
Inborn genetic diseases
-
TBC1D23 p.Asn522Ser
Uncertain significance
Single submitter
Inborn genetic diseases
-
TBC1D23 p.Asp144Asn
Uncertain significance
Single submitter
Inborn genetic diseases
- TBC1D23 p.Asp226His Uncertain significance Single submitter
-
TBC1D23 p.Asp447Asn
Uncertain significance
Single submitter
Inborn genetic diseases
-
TBC1D23 p.Asp65Asn
Uncertain significance
Single submitter
Inborn genetic diseases
-
TBC1D23 p.Gln92Glu
Uncertain significance
Single submitter
Inborn genetic diseases
-
TBC1D23 p.Glu102Asp
Uncertain significance
Single submitter
Inborn genetic diseases
-
TBC1D23 p.Glu181Asp
Uncertain significance
Single submitter
Inborn genetic diseases
-
TBC1D23 p.Glu425Asp
Uncertain significance
Single submitter
Inborn genetic diseases
-
TBC1D23 p.Glu450Ala
Uncertain significance
Single submitter
Inborn genetic diseases
-
TBC1D23 p.Glu558Asp
Uncertain significance
Single submitter
Inborn genetic diseases
- TBC1D23 p.Glu5Lys Uncertain significance Single submitter
-
TBC1D23 p.Glu78Lys
Uncertain significance
Single submitter
Inborn genetic diseases
-
TBC1D23 p.Gly30Asp
Uncertain significance
Single submitter
Inborn genetic diseases
-
TBC1D23 p.Gly472Asp
Uncertain significance
Single submitter
Inborn genetic diseases
-
TBC1D23 p.Gly603Val
Uncertain significance
Single submitter
Inborn genetic diseases
-
TBC1D23 p.Gly628Val
Uncertain significance
Single submitter
pontocerebellar hypoplasia, type 11
-
TBC1D23 p.His296Arg
Uncertain significance
Single submitter
Inborn genetic diseases
-
TBC1D23 p.Ile152Val
Uncertain significance
Single submitter
Inborn genetic diseases
-
TBC1D23 p.Ile272Thr
Uncertain significance
Single submitter
Inborn genetic diseases
-
TBC1D23 p.Ile272Val
Uncertain significance
Single submitter
Inborn genetic diseases
-
TBC1D23 p.Ile325Met
Uncertain significance
Single submitter
Inborn genetic diseases
-
TBC1D23 p.Ile392Thr
Uncertain significance
Single submitter
Inborn genetic diseases
-
TBC1D23 p.Ile40Thr
Uncertain significance
Single submitter
Inborn genetic diseases
-
TBC1D23 p.Ile467Val
Uncertain significance
Single submitter
pontocerebellar hypoplasia, type 11
-
TBC1D23 p.Ile623Asn
Uncertain significance
Single submitter
Inborn genetic diseases
-
TBC1D23 p.Leu126Phe
Uncertain significance
Single submitter
Inborn genetic diseases
-
TBC1D23 p.Leu201Phe
Uncertain significance
Single submitter
Inborn genetic diseases
-
TBC1D23 p.Leu380Val
Uncertain significance
Single submitter
Inborn genetic diseases
-
TBC1D23 p.Leu74Ser
Uncertain significance
Single submitter
Inborn genetic diseases
-
TBC1D23 p.Lys422Arg
Uncertain significance
Single submitter
Inborn genetic diseases
-
TBC1D23 p.Lys489Arg
Uncertain significance
Single submitter
Inborn genetic diseases
-
TBC1D23 p.Met153Thr
Uncertain significance
Single submitter
pontocerebellar hypoplasia, type 11
-
TBC1D23 p.Met401Thr
Uncertain significance
Single submitter
Inborn genetic diseases
-
TBC1D23 p.Met490Val
Uncertain significance
Single submitter
Inborn genetic diseases
-
TBC1D23 p.Met570Val
Uncertain significance
Single submitter
Inborn genetic diseases
-
TBC1D23 p.Pro227Ala
Uncertain significance
Single submitter
Inborn genetic diseases
-
TBC1D23 p.Pro264Ser
Uncertain significance
Single submitter
Inborn genetic diseases
-
TBC1D23 p.Pro287Leu
Uncertain significance
Single submitter
Inborn genetic diseases
-
TBC1D23 p.Pro449Ser
Uncertain significance
Single submitter
Inborn genetic diseases
-
TBC1D23 p.Pro44Leu
Uncertain significance
Single submitter
Inborn genetic diseases
-
TBC1D23 p.Pro475Leu
Uncertain significance
Single submitter
Inborn genetic diseases
-
TBC1D23 p.Pro595Ser
Uncertain significance
Single submitter
Inborn genetic diseases
-
TBC1D23 p.Ser127Gly
Uncertain significance
Single submitter
Inborn genetic diseases
-
TBC1D23 p.Ser14Asn
Uncertain significance
Single submitter
Inborn genetic diseases
-
TBC1D23 p.Ser265Cys
Uncertain significance
Single submitter
Inborn genetic diseases
-
TBC1D23 p.Ser375Pro
Uncertain significance
Single submitter
Inborn genetic diseases
-
TBC1D23 p.Ser431Gly
Uncertain significance
Single submitter
Inborn genetic diseases
-
TBC1D23 p.Ser507Gly
Uncertain significance
Single submitter
Inborn genetic diseases
-
TBC1D23 p.Ser661Gly
Uncertain significance
Single submitter
Inborn genetic diseases
-
TBC1D23 p.Thr112Asn
Uncertain significance
Single submitter
Inborn genetic diseases
-
TBC1D23 p.Thr491Ser
Uncertain significance
Single submitter
Inborn genetic diseases
-
TBC1D23 p.Thr531Ala
Uncertain significance
Single submitter
Inborn genetic diseases
-
TBC1D23 p.Trp218Cys
Uncertain significance
Single submitter
Inborn genetic diseases
-
TBC1D23 p.Tyr122Cys
Uncertain significance
Single submitter
Inborn genetic diseases
-
TBC1D23 p.Tyr221His
Uncertain significance
Single submitter
Inborn genetic diseases
-
TBC1D23 p.Tyr453Ser
Uncertain significance
Single submitter
Inborn genetic diseases
-
TBC1D23 p.Tyr631Cys
Uncertain significance
Single submitter
Inborn genetic diseases
-
TBC1D23 p.Val136Met
Uncertain significance
Single submitter
Inborn genetic diseases
-
TBC1D23 p.Val322Met
Uncertain significance
Single submitter
Inborn genetic diseases
-
TBC1D23 p.Val548Ile
Uncertain significance
Single submitter
Inborn genetic diseases
Predictors split 14
The independent predictors disagree with each other — read with care.
-
TBC1D23 p.Asn154Asp
Uncertain significance
Multiple submitters
Inborn genetic diseases
-
TBC1D23 p.Ile429Thr
Uncertain significance
Multiple submitters
Inborn genetic diseases
-
TBC1D23 p.Ala696Val
Uncertain significance
Single submitter
Inborn genetic diseases
- TBC1D23 p.Arg142Ser Uncertain significance Single submitter
-
TBC1D23 p.Arg337Gln
Uncertain significance
Single submitter
Inborn genetic diseases
-
TBC1D23 p.Arg502Ser
Likely benign
Single submitter
Inborn genetic diseases
-
TBC1D23 p.Glu179Val
Uncertain significance
Single submitter
Inborn genetic diseases
-
TBC1D23 p.Ile272Arg
Uncertain significance
Single submitter
Inborn genetic diseases
-
TBC1D23 p.Ile554Thr
Uncertain significance
Single submitter
Inborn genetic diseases
-
TBC1D23 p.Met617Thr
Uncertain significance
Single submitter
Inborn genetic diseases
-
TBC1D23 p.Phe358Leu
Uncertain significance
Single submitter
Inborn genetic diseases
-
TBC1D23 p.Pro180Ser
Uncertain significance
Single submitter
pontocerebellar hypoplasia, type 11
-
TBC1D23 p.Pro544Thr
Uncertain significance
Single submitter
Inborn genetic diseases
-
TBC1D23 p.Val341Leu
Uncertain significance
Single submitter
Inborn genetic diseases
All TBC1D23 variants
Pathogenic 9
- c.1092+2T>A Single submitter pontocerebellar hypoplasia, type 11
- c.1687+1G>C Single submitter pontocerebellar hypoplasia, type 11
- p.Gln223Ter Single submitter pontocerebellar hypoplasia, type 11
- p.Gln248fs Single submitter pontocerebellar hypoplasia, type 11
- p.Val340fs Single submitter pontocerebellar hypoplasia, type 11
- c.1687+1G>A No assertion criteria pontocerebellar hypoplasia, type 11
- c.1687+2T>G No assertion criteria pontocerebellar hypoplasia, type 11
- p.Ile509fs No assertion criteria pontocerebellar hypoplasia, type 11
- p.Val492fs No assertion criteria pontocerebellar hypoplasia, type 11
Pathogenic/Likely pathogenic 2
- p.Cys317fs Multiple submitters pontocerebellar hypoplasia, type 11
- p.Phe205fs Multiple submitters pontocerebellar hypoplasia, type 11
Likely pathogenic 5
- c.1687+2T>A Single submitter pontocerebellar hypoplasia, type 11
- p.Glu102Ter Single submitter
- p.Gly202fs Single submitter
- p.Thr211fs Single submitter pontocerebellar hypoplasia, type 11
- p.Ala417fs No assertion criteria HP:0000750; HP:0001263
Conflicting classifications of pathogenicity 1
- p.Cys343Ter Single submitter Inborn genetic diseases
Benign 17
- c.1414-74A>G Multiple submitters
- c.1599-94A>T Multiple submitters
- c.876+27G>T Multiple submitters pontocerebellar hypoplasia, type 11
- c.876+47C>T Multiple submitters
- p.Ala685= Multiple submitters
- p.Lys242= Multiple submitters
- c.1306+201T>A Single submitter
- c.1413+224del Single submitter
- c.1554-49dup Single submitter pontocerebellar hypoplasia, type 11
- c.1688-118G>C Single submitter
- c.1823+180T>C Single submitter
- c.1823+235dup Single submitter
- c.54-7T>G Single submitter
- c.876+141del Single submitter
- c.877-218dup Single submitter
- p.Ile245= No assertion criteria TBC1D23-related disorder
- p.Ser300Thr No assertion criteria TBC1D23-related disorder
Benign/Likely benign 3
- p.Arg142= Multiple submitters
- p.Cys31Ser Multiple submitters pontocerebellar hypoplasia, type 11
- p.Pro141= Multiple submitters
Likely benign 16
- c.1306+10T>C Multiple submitters
- p.Glu108= Multiple submitters
- p.Leu669= Multiple submitters
- c.1263+11A>G Single submitter
- c.476+10G>A Single submitter
- p.Arg502Ser Single submitter Inborn genetic diseases ⚠
- p.Gly17Ser Single submitter Inborn genetic diseases
- p.His83Gln Single submitter Inborn genetic diseases
- p.Ser355= Single submitter
- p.Thr35= Single submitter
- p.Val341= Single submitter
- c.1554-4A>G No assertion criteria TBC1D23-related disorder
- c.2019-10del No assertion criteria TBC1D23-related disorder
- p.Glu181= No assertion criteria TBC1D23-related disorder
- p.Ile671= No assertion criteria TBC1D23-related disorder
- p.Leu204= No assertion criteria TBC1D23-related disorder
Uncertain significance 98
- p.Asn154Asp Multiple submitters Inborn genetic diseases ⚠
- p.Asp443Asn Multiple submitters pontocerebellar hypoplasia, type 11 ⚠
- p.Gly335Val Multiple submitters pontocerebellar hypoplasia, type 11 ⚠
- p.Ile429Thr Multiple submitters Inborn genetic diseases ⚠
- c.1000-8C>A Single submitter pontocerebellar hypoplasia, type 11
- c.1306+3A>G Single submitter TBC1D23-related disorder
- c.2019-5C>T Single submitter Inborn genetic diseases
- c.272-5T>C Single submitter Inborn genetic diseases
- c.53+100G>A Single submitter pontocerebellar hypoplasia, type 11
- p.Ala100Thr Single submitter Inborn genetic diseases ⚠
- p.Ala241Pro Single submitter Inborn genetic diseases ⚠
- p.Ala328Val Single submitter Inborn genetic diseases ⚠
- p.Ala57Val Single submitter pontocerebellar hypoplasia, type 11 ⚠
- p.Ala670Ser Single submitter Inborn genetic diseases ⚠
- p.Ala696Val Single submitter Inborn genetic diseases ⚠
- p.Arg142Cys Single submitter Inborn genetic diseases ⚠
- p.Arg142His Single submitter Inborn genetic diseases ⚠
- p.Arg142Ser Single submitter ⚠
- p.Arg166Lys Single submitter Inborn genetic diseases ⚠
- p.Arg337Gln Single submitter Inborn genetic diseases ⚠
- p.Arg344His Single submitter ⚠
- p.Arg481Gly Single submitter Inborn genetic diseases ⚠
- p.Arg502Lys Single submitter pontocerebellar hypoplasia, type 11 ⚠
- p.Asn154His Single submitter Inborn genetic diseases ⚠
- p.Asn500Ser Single submitter Inborn genetic diseases ⚠
- p.Asn522Ser Single submitter Inborn genetic diseases ⚠
- p.Asp144Asn Single submitter Inborn genetic diseases ⚠
- p.Asp226His Single submitter ⚠
- p.Asp447Asn Single submitter Inborn genetic diseases ⚠
- p.Asp65Asn Single submitter Inborn genetic diseases ⚠
- p.Gln92Glu Single submitter Inborn genetic diseases ⚠
- p.Glu102Asp Single submitter Inborn genetic diseases ⚠
- p.Glu179Val Single submitter Inborn genetic diseases ⚠
- p.Glu181Asp Single submitter Inborn genetic diseases ⚠
- p.Glu425Asp Single submitter Inborn genetic diseases ⚠
- p.Glu450Ala Single submitter Inborn genetic diseases ⚠
- p.Glu558Asp Single submitter Inborn genetic diseases ⚠
- p.Glu559= Single submitter
- p.Glu5Lys Single submitter ⚠
- p.Glu601Ter Single submitter
- p.Glu78Lys Single submitter Inborn genetic diseases ⚠
- p.Gly30Asp Single submitter Inborn genetic diseases ⚠
- p.Gly472Asp Single submitter Inborn genetic diseases ⚠
- p.Gly603Val Single submitter Inborn genetic diseases ⚠
- p.Gly628Val Single submitter pontocerebellar hypoplasia, type 11 ⚠
- p.Gly72Arg Single submitter Inborn genetic diseases
- p.His296Arg Single submitter Inborn genetic diseases ⚠
- p.Ile152Val Single submitter Inborn genetic diseases ⚠
- p.Ile272Arg Single submitter Inborn genetic diseases ⚠
- p.Ile272Thr Single submitter Inborn genetic diseases ⚠
- p.Ile272Val Single submitter Inborn genetic diseases ⚠
- p.Ile325Met Single submitter Inborn genetic diseases ⚠
- p.Ile392Thr Single submitter Inborn genetic diseases ⚠
- p.Ile40Thr Single submitter Inborn genetic diseases ⚠
- p.Ile467Val Single submitter pontocerebellar hypoplasia, type 11 ⚠
- p.Ile554Thr Single submitter Inborn genetic diseases ⚠
- p.Ile623Asn Single submitter Inborn genetic diseases ⚠
- p.Leu126Phe Single submitter Inborn genetic diseases ⚠
- p.Leu201Phe Single submitter Inborn genetic diseases ⚠
- p.Leu380Val Single submitter Inborn genetic diseases ⚠
- p.Leu74Ser Single submitter Inborn genetic diseases ⚠
- p.Lys422Arg Single submitter Inborn genetic diseases ⚠
- p.Lys489Arg Single submitter Inborn genetic diseases ⚠
- p.Met153Thr Single submitter pontocerebellar hypoplasia, type 11 ⚠
- p.Met401Thr Single submitter Inborn genetic diseases ⚠
- p.Met490Val Single submitter Inborn genetic diseases ⚠
- p.Met570Val Single submitter Inborn genetic diseases ⚠
- p.Met617Thr Single submitter Inborn genetic diseases ⚠
- p.Phe358Leu Single submitter Inborn genetic diseases ⚠
- p.Pro180Ser Single submitter pontocerebellar hypoplasia, type 11 ⚠
- p.Pro227Ala Single submitter Inborn genetic diseases ⚠
- p.Pro264Ser Single submitter Inborn genetic diseases ⚠
- p.Pro287Leu Single submitter Inborn genetic diseases ⚠
- p.Pro449Ser Single submitter Inborn genetic diseases ⚠
- p.Pro44Leu Single submitter Inborn genetic diseases ⚠
- p.Pro475Leu Single submitter Inborn genetic diseases ⚠
- p.Pro544Thr Single submitter Inborn genetic diseases ⚠
- p.Pro595Ser Single submitter Inborn genetic diseases ⚠
- p.Ser127Gly Single submitter Inborn genetic diseases ⚠
- p.Ser14Asn Single submitter Inborn genetic diseases ⚠
- p.Ser265Cys Single submitter Inborn genetic diseases ⚠
- p.Ser375Pro Single submitter Inborn genetic diseases ⚠
- p.Ser431Gly Single submitter Inborn genetic diseases ⚠
- p.Ser507Gly Single submitter Inborn genetic diseases ⚠
- p.Ser661Gly Single submitter Inborn genetic diseases ⚠
- p.Thr112Asn Single submitter Inborn genetic diseases ⚠
- p.Thr491Ser Single submitter Inborn genetic diseases ⚠
- p.Thr531Ala Single submitter Inborn genetic diseases ⚠
- p.Trp218Cys Single submitter Inborn genetic diseases ⚠
- p.Tyr122Cys Single submitter Inborn genetic diseases ⚠
- p.Tyr221His Single submitter Inborn genetic diseases ⚠
- p.Tyr453Ser Single submitter Inborn genetic diseases ⚠
- p.Tyr631Cys Single submitter Inborn genetic diseases ⚠
- p.Val136Met Single submitter Inborn genetic diseases ⚠
- p.Val322Met Single submitter Inborn genetic diseases ⚠
- p.Val341Leu Single submitter Inborn genetic diseases ⚠
- p.Val548Ile Single submitter Inborn genetic diseases ⚠
- p.Gly448Arg No assertion criteria TBC1D23-related disorder